NPTEL(Week - 1)

Week-1(Assignment - 3)

Write a C program that takes a positive number N and produces an output that is the product of its digits.

Explanation:

Take number 657.

Answer expected : 6 * 5 * 7 = 210

Constraint:

1<=N<=999999

Input: A single number

Output:  The value

Example 1:

Input: 657

Output: 210

Example 2:

Input: 7

Output: 7

#include<stdio.h> int main() { int n,ans=1; scanf("%d",&n); if(n==0) { ans = 0; printf("\n%d",ans); return 0; } while(n>0) { ans = ans * (n%10); n/=10; } printf("\%d",ans); return 0; }